Finding the Third Proportional to 910,188 and 1,986,264

Step by Step Solution

1. Step 1: Write the proportion equation
   910,188 : 1,986,264 = 1,986,264 : x
2. Step 2: Convert to fraction form
   910,188/1,986,264 = 1,986,264/x
3. Step 3: Cross multiply
   910,188x = 1,986,264 × 1,986,264
4. Step 4: Simplify right side
   910,188x = 3,945,244,677,696
5. Step 5: Solve for x
   x = 3,945,244,677,696/910,188
6. Step 6: Final answer
   x = 4,334,538.22